<?php
/**
 * Created by PhpStorm.
 * User: jiangshuxiong
 * Date: 2018/1/19
 * Time: 10:43
 */
if((($_FILES["file"]["type"] == "image/gif")
||($_FILES["file"]["type"] == "image/jpeg")
||($_FILES["file"]["type"] == "image/png"))
&&($_FILES["file"]["size"] < "20000")){
    if($_FILES["file"]["error"] > 0){
        echo "Error: " . $_FILES["file"]["error"] . "<br />";
    }else{
        echo "Upload: " . $_FILES["file"]["name"] . "<br />";
        echo "Type: " . $_FILES["file"]["type"] . "<br />";
        echo "Size: " . $_FILES["file"]["size"] . "<br />";
        //echo "Stored in: " . $_FILES["file"]["tmp_name"] . "<br />";
    }
    //保存文件
    if(file_exists( $_FILES["file"]["name"])){
        echo $_FILES["file"]["name"] . " already exists";
    }else{
        move_uploaded_file($_FILES["file"]["tmp_name"], $_FILES["file"]["name"]);
        echo "Stored in : " . "uploadfile/" . $_FILES["file"]["name"];
    }
}else{
    echo "invalid file";
}

